EOPM-Part3-eq.pdf

Page 1

Electrical and optical properties of materials

JJL Morton

Electrical and optical properties of materials John JL Morton

Part 3: Piezo- pryo- and ferro-electricity S = sT + dp E

(3.1)

P = χe 0 E + dp T

(3.2)

EB =

2pA 4Ď€ 0 a3

(3.3)

pB =

2pA ÎąB 4Ď€ 0 a3

(3.4)

ÎąB > 2Ď€ 0 a3

(3.5)

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